DUQUESNE LIGHT ENERGY holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 39 (Transport & Storage) with 1 filings. The WikiTrademarks Expansion Score is 1/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed October 19, 2026
Protect or track "DUQUESNE LIGHT ENERGY"
Watch this name and we'll alert you when anyone files a similar mark.
Informational only, not a legal opinion. Consult a trademark attorney before filing or enforcing.
Own this brand? Claim the profile to add your logo, story, and website.
Sign in to claimHow is DUQUESNE LIGHT ENERGY filing trademarks, and where is the portfolio expanding?
Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 78426769 | DUQUESNE LIGHT ENERGY | May 28, 2004 | Pending | 039 Transport & Storage | DUQUESNE LIGHT COMPANY |
Weekly visibility reports showing how ChatGPT mentions DUQUESNE LIGHT ENERGY, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: DUQUESNE LIGHT ENERGY trademark portfolio
What trademarks does DUQUESNE LIGHT ENERGY hold?
DUQUESNE LIGHT ENERGY holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 39 (Transport & Storage). The most recent filings are registered to DUQUESNE LIGHT COMPANY.
How many trademarks does DUQUESNE LIGHT ENERGY have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DUQUESNE LIGHT ENERGY. The brand has been actively filing since May 2004. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DUQUESNE LIGHT ENERGY file most often?
DUQUESNE LIGHT ENERGY's most active class is NICE Class 39 (Transport & Storage), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DUQUESNE LIGHT ENERGY trademark?
The most recent filings under the DUQUESNE LIGHT ENERGY mark are registered to DUQUESNE LIGHT COMPANY. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DUQUESNE LIGHT ENERGY expanding into new categories?
The current WikiTrademarks Expansion Score for DUQUESNE LIGHT ENERGY is 1 out of 100, which is low — the brand is focused on defending its existing categories rather than expanding. The score combines NICE class breadth, filing velocity, and the rate of cross-class movement from the brand's filing history.
How can I track new DUQUESNE LIGHT ENERGY trademark filings?
Click the Watch Brand button at the top of this page to add DUQUESNE LIGHT ENERGY to your Watchlist. New filings show up on your WikiTrademarks dashboard within 24 to 48 hours of being public, alongside any class expansions, status changes, or assignment events.
More on this portfolio: Compare DUQUESNE LIGHT ENERGY to another owner · Browse all NICE classes · Most valuable brands
Community notes
0 notesShare what you know about DUQUESNE LIGHT ENERGY and help the next person researching it.